Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/CairoCompositor.h @ 1996:6e4ef6e3b2bf
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 01 Nov 2022 19:41:03 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
rev | line source |
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597 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
597 | 7 * |
8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
597 | 10 * as published by the Free Software Foundation, either version 3 of |
11 * the License, or (at your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
597 | 21 **/ |
22 | |
23 | |
24 #pragma once | |
25 | |
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26 #include "ICompositor.h" |
597 | 27 #include "../Fonts/GlyphBitmapAlphabet.h" |
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28 #include "../Wrappers/CairoContext.h" |
597 | 29 #include "Internals/CompositorHelper.h" |
30 #include "Internals/ICairoContextProvider.h" | |
31 | |
32 namespace OrthancStone | |
33 { | |
34 class CairoCompositor : | |
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35 public ICompositor, |
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36 private Internals::CompositorHelper::IRendererFactory, |
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37 private Internals::ICairoContextProvider |
597 | 38 { |
39 private: | |
40 typedef std::map<size_t, GlyphBitmapAlphabet*> Fonts; | |
41 | |
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42 std::unique_ptr<Internals::CompositorHelper> helper_; |
597 | 43 CairoSurface canvas_; |
44 Fonts fonts_; | |
45 | |
46 // Only valid during a call to "Refresh()" | |
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47 std::unique_ptr<CairoContext> context_; |
597 | 48 |
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49 virtual cairo_t* GetCairoContext() ORTHANC_OVERRIDE; |
597 | 50 |
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51 virtual Internals::CompositorHelper::ILayerRenderer* Create(const ISceneLayer& layer) ORTHANC_OVERRIDE; |
597 | 52 |
53 public: | |
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54 CairoCompositor(unsigned int canvasWidth, |
597 | 55 unsigned int canvasHeight); |
56 | |
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57 virtual ~CairoCompositor(); |
597 | 58 |
59 const CairoSurface& GetCanvas() const | |
60 { | |
61 return canvas_; | |
62 } | |
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63 |
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64 virtual void SetCanvasSize(unsigned int canvasWidth, |
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65 unsigned int canvasHeight) ORTHANC_OVERRIDE; |
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66 |
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67 virtual unsigned int GetCanvasWidth() const ORTHANC_OVERRIDE |
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68 { |
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69 return canvas_.GetWidth(); |
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70 } |
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71 |
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72 virtual unsigned int GetCanvasHeight() const ORTHANC_OVERRIDE |
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73 { |
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74 return canvas_.GetHeight(); |
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75 } |
597 | 76 |
77 void SetFont(size_t index, | |
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78 GlyphBitmapAlphabet* dict); // Takes ownership |
597 | 79 |
80 #if ORTHANC_ENABLE_LOCALE == 1 | |
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81 virtual void SetFont(size_t index, |
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82 const std::string& ttf, |
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83 unsigned int fontSize, |
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84 Orthanc::Encoding codepage) ORTHANC_OVERRIDE; |
597 | 85 #endif |
86 | |
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87 virtual void Refresh(const Scene2D& scene) ORTHANC_OVERRIDE; |
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88 |
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89 virtual void ResetScene() ORTHANC_OVERRIDE |
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90 { |
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91 helper_.reset(new Internals::CompositorHelper(*this)); |
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92 } |
597 | 93 |
94 Orthanc::ImageAccessor* RenderText(size_t fontIndex, | |
95 const std::string& utf8) const; | |
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96 |
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ICompositor::ComputeTextBoundingBox()
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97 #if ORTHANC_ENABLE_LOCALE == 1 |
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ICompositor::ComputeTextBoundingBox()
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98 virtual TextBoundingBox* ComputeTextBoundingBox(size_t fontIndex, |
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99 const std::string& utf8) ORTHANC_OVERRIDE; |
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100 #endif |
597 | 101 }; |
102 } |